if the current in the primary circuit of a pair of coils changes from 5 A to 1 A 0.02 s, culculate (i) induced emf in the secondary coil if the mutal inductance between the two coills is 0.5 H and (ii) the change of flux per turn in the secondary ,if it has 200 turns .

If the current in the primary circuit of a pair of coils changes from 5 A to 1 A in 0.02 s. Calculate (i) induced emf in the secondary coil if the mutal inductance between the two coills is 0.5 H and (ii) the change of flux per turn in the secondary ,if it has 200 turns .

If the current in the primary circuit of a pair of coils changes from 5 amp to 1 amp in 0.02 sec, calculate (i) induced emf in the secondary coil if the mutual inductance between the two coils is 0.5H and (ii) the change of flux per turn in the secondary, if it has 200 turns.

If the current in the primary circuit of a pair of coils changes from 10 A to 0 in 0.1 s, calculate (i) the induced emf in the secondary if the mutual inductance between the two coils is 2 H and (ii) the change of flux per turn in the secondary if it has 500 turns.

The current in a primary coil increases by 20 A in 0.1 s. If the average emf induced in the secondary coil be 100 V, determine the mutual inductance between the coils and the change in magnetic flux in the secondary coil.

The current in a coil of inductance 0.2 H changes from 5 A to 2 A in 0.5 sec. The magnitude of the average induced emf in the coil is

The current in a coil changes from 0 to 20 A in 0.5S. If the induced emf is 80V, the self inductance of the coil is

When the primary current in the spark-coil of a car changes from 4A to zero in 10muS , an emf of 40,000 V is induced in the secondary. The mutual inductance between the primary and the secondary windings of the spark-coil will be -

When the primary current in the spark-coil of a car changes from 4A to zero in 10muS , an emf of 40,000 V is induced in the secondary. The mutual inductance between the primary and the secondary windings of the spark-coil will be -